k8s-addTypeInformationToObject

addTypeInformationToObject.go

// addTypeInformationToObject adds TypeMeta information to a runtime.Object based upon the loaded scheme.Scheme
// inspired by: https://github.com/kubernetes/cli-runtime/blob/v0.19.2/pkg/printers/typesetter.go#L41
func addTypeInformationToObject(obj runtime.Object) error {
    gvks, _, err := scheme.Scheme.ObjectKinds(obj)
    if err != nil {
        return fmt.Errorf("missing apiVersion or kind and cannot assign it; %w", err)
    }

    for _, gvk := range gvks {
        if len(gvk.Kind) == 0 {
            continue
        }
        if len(gvk.Version) == 0 || gvk.Version == runtime.APIVersionInternal {
            continue
        }
        obj.GetObjectKind().SetGroupVersionKind(gvk)
        break
    }

    return nil
}